Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.446689E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T13:06:20+0800
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    1 Object 1

    AOE ID 53397
    NORAD ID 53397
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 54200
    NORAD ID 54200
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4515 STARLINK-5250
    Time of Closest Approach 2026-09-07T16:54:39+0000
    Collision Probability (Pc) 1.446689E-5
    Conjunction Distance (km) 1.134 km
    Relative Speed (km/s) 11.263 km/s
    Conjunction Risk Parameters R (Radial): 0.212 | I (In-track): -0.749 | C (Cross-track): -0.823
    Collision Risk Index (CRI) 0.58
    X Position (km) 4292.691 4291.771
    Position Y (km) 4280.812 4281.466
    Position Z (km) 3155.385 3155.29
    Velocity X (km/s) -5.492 -1.801
    Velocity Y (km/s) 1.815 5.497
    Velocity Z (km/s) 4.991 -4.991

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4515 STARLINK-5250
    Semimajor Axis (a) 6837.838 km 6837.846 km
    Eccentricity (e) 0.000110 0.000109
    Inclination (i) 53.1598° 53.1597°
    RAAN 34.6181° 261.7400°
    Perigee Argument 77.8658° 75.8162°
    Mean Anomaly (M) 119.8949° 284.2962°
    Apogee 460.454 km 460.457 km
    Perigee 458.948 km 458.961 km
    Orbit Epoch 2026-09-05T00:00:02+0000 2026-09-04T17:59:02+0000

    STARLINK-4515 & STARLINK-5250 Collision Probability (Pc) Trend

    STARLINK-4515 & STARLINK-5250 Collision Probability (Pc) TrendNot Available

    STARLINK-4515 & STARLINK-5250 Miss Distance (Miss Distance) Trend

    STARLINK-4515 & STARLINK-5250 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4515Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5250Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4515Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5250Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4515

    No nearby objects data